/Engine/Source/Editor/SequencerCore/Public/MVVM/ViewModels/ViewModelHierarchy.h
W A R N I N G : DO NOT USE DIRECTLY UNLESS YOU KNOW WHAT YOU'RE DOING! This structure won't correctly update the data models' parent pointers, which can lead to problems. Use the methods onFViewModel. This link structure is mostly private anyway.
struct FViewModelListHead
FViewModelListL...
HeadLink
Head of this list, where Next is the first item
FViewModelListH...
NextListHead
Next list, for when data models have multiple lists of children
EViewModelListT...
Type
Identifier for this list head